Hi Acee,

Thank you for your quick response.

Em seg., 14 de abr. de 2025 às 12:06, Acee Lindem
<acee.i...@gmail.com> escreveu:
>
> Hi Renato,
>
> > On Apr 13, 2025, at 11:50 AM, Renato Westphal <renatowestp...@gmail.com> 
> > wrote:
> >
> > Hi all,
> >
> > I'm implementing this draft and would like to share some feedback.
> >
> > There's an augmentation to the "router-capabilities" container that is
> > wrong. Instead, it is the "router-capability" list within that
> > container that should be augmented.
>
> Mahesh noted this as well and it is fixed in GitHub.

That might have been a different issue. I just checked the latest -27
version and the augmentation to "router-capabilities" is still
incorrect.

As I progress with my SR implementation, I came across another issue
related to augmentations. The module is currently augmenting the
"extended-is-neighbor" and "mt-is-neighbor" containers, instead of
augmenting the "instance" list within those containers. I believe it
would be better to have the Adj-SID sub-TLVs directly associated with
their respective IS reachability entries, rather than grouping all
Adj-SID sub-TLVs for each "neighbor-id" together (in the case of
parallel links, there might be multiple IS reachability entries for
the same neighbor).

I also suggest renaming the "sid-list" list to "adj-sid-sub-tlv" for
consistency with the existing "prefix-sid-sub-tlv" list and to align
with the OSPF SR module. It might also be a good idea to group all
Adj-SID sub-TLVs inside an "adj-sid-sub-tlvs" container for
consistency as well.

Other than these minor issues, I think the module looks excellent.

FWIW, I'm sharing [1] an example data file populated from a virtual
IS-IS SR topology using the Holo routing stack. It's a partial
implementation of this module, including fixes for the aforementioned
issues.

[1] 
https://gist.githubusercontent.com/rwestphal/aa85a402e7ed12f6da131b1a0e172c93/raw/dfe4cdbbac4abd21828e5dc9a9a60e5a5d51f9c1/ietf-isis-sr-mpls.json

Best Regards,
--
Renato Westphal

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